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Mitigating unfairness problem in WLANs caused by asymmetric co-channel interference 缓解非对称同信道干扰引起的无线局域网不公平问题
Int. J. Mob. Commun. Pub Date : 2018-05-03 DOI: 10.1504/IJMC.2018.10004556
Sultan Mahmud, M. Uddin
{"title":"Mitigating unfairness problem in WLANs caused by asymmetric co-channel interference","authors":"Sultan Mahmud, M. Uddin","doi":"10.1504/IJMC.2018.10004556","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10004556","url":null,"abstract":"The impact of co-channel interference is investigated in IEEE 802.11-based wireless local area networks (WLANs) via simulation and it is found that the throughput unfairness among the users is severe due to asymmetric co-channel interference among the users. A centralised algorithm is proposed based on an analytical formulation to mitigate the throughput unfairness problem in WLANs by configuring the minimum contention window (CW) of the nodes. A heuristic is developed based on the results of the centralised algorithm to configure the minimum CW of the nodes and then a simple and practical distributed algorithm is proposed to mitigate the throughput unfairness problem in WLANs. The performance of the proposed algorithms is evaluated by simulation and found to be very effective to mitigate the throughput unfairness problem in WLANs.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132872870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Culture, trust and business ecosystems: the mediating role of online chat in China 文化、信任和商业生态系统:中国在线聊天的中介作用
Int. J. Mob. Commun. Pub Date : 2018-05-03 DOI: 10.1504/IJMC.2018.10003824
K. Rong, D. Secchi, Y. Shou
{"title":"Culture, trust and business ecosystems: the mediating role of online chat in China","authors":"K. Rong, D. Secchi, Y. Shou","doi":"10.1504/IJMC.2018.10003824","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10003824","url":null,"abstract":"This paper analyses the case of Taobao (the B2C and C2C platform of Alibaba Group), the 'focal firm' in a large online shopping ecosystem in China. The study attempts to reframe the business ecosystem considering the impact of cultural dimensions. Findings show that in a society with strong culture of guanxi and collectivism, a computer-mediated online communication tool works as a surrogate for real-life experience of socially binding behaviours to organise ecosystem stakeholders such as online marketplace owners, customers and sellers. The perception of collectivism affects the effectiveness of the communication tool, which, in turn, facilitates trust building between sellers and buyers. The result is unique and tied to a society dominated by guanxi and collectivism, and shows how it addresses socio-cultural needs through a computer-mediated communication technology.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115207695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Evaluation of smartphone user experience: identification of key evaluation items and their relationships 智能手机用户体验评估:识别关键评估项目及其关系
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007907
Kwang-Jae Kim, Hyun-Jin Kim, Jinho Yim, Jun-Yeon Heo, Min-Jun Kim, Seungchul Shin, Hyo-In Ahn
{"title":"Evaluation of smartphone user experience: identification of key evaluation items and their relationships","authors":"Kwang-Jae Kim, Hyun-Jin Kim, Jinho Yim, Jun-Yeon Heo, Min-Jun Kim, Seungchul Shin, Hyo-In Ahn","doi":"10.1504/IJMC.2018.10007907","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007907","url":null,"abstract":"User experience (UX) refers to the comprehensive experience of a user when interacting with a product. UX plays an essential role in enhancing the value of a product in the current marketplace. Compared with a feature phone, a smartphone enables users to significantly extend the usage of the device. Given the impressive market growth of the smartphone, evaluating its UX has become important in its development process. However, studies on the evaluation of smartphone UX are limited. Thus, we conducted a study on smartphone UX from the perspective of UX evaluation. At first, a total of 329 evaluation items for smartphone UX were identified based on the literature review and user study, and they were categorised as product, context, and emotion items. Then, to utilise the items in the three categories, we proposed a two-phase procedure for UX evaluation consisting of identification of key items (phase 1) and identification of causal relationships among the key items (phase 2). As a case study, seven key contexts were identified and the relationships of key items were statistically identified based on 461 user data. The results of this study can help practitioners evaluate their smartphone UX in a systematic manner.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127619981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
How to increase the awareness of in-app mobile banner ads: exploring the roles of banner location, application type and orientation 如何提高应用内移动横幅广告的认知度:探索横幅位置、应用类型和定位的作用
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007906
Mesut Çiçek, Irem Eren-Erdogmus, Ikram Dastan
{"title":"How to increase the awareness of in-app mobile banner ads: exploring the roles of banner location, application type and orientation","authors":"Mesut Çiçek, Irem Eren-Erdogmus, Ikram Dastan","doi":"10.1504/IJMC.2018.10007906","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007906","url":null,"abstract":"In-app mobile banner ads appear as promising communication tools and are increasing in popularity due to spread and use of mobile technologies in consumers' life. On the other hand, the effectiveness of these ads is under scrutiny due to banner blindness and habituation. Till now, there have been a limited number of studies to explore the dynamics of crafting an effective in-app banner ad. This study aims to fill this gap in research by applying an experimental design to examine the effects of banner location, application type and application orientation. The results of the study show that all the factors had an effect on recall of in-app mobile advertising. Users recalled the banner and its contents better when the context was landscape game and the banner was located at the top. In all contexts, recall was higher when the banner was located at the top of the application. The results of this study contribute to the extant knowledge on the literature and also put forth significant implications for the brand owners who want to use in-app mobile ads in the future.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125527771","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
It matters who shares and who reads: persuasive outcomes of location check-ins on Facebook 谁分享、谁阅读很重要:Facebook上位置签到的有说服力的结果
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007904
Hyang-Sook Kim, Mun-Young Chung
{"title":"It matters who shares and who reads: persuasive outcomes of location check-ins on Facebook","authors":"Hyang-Sook Kim, Mun-Young Chung","doi":"10.1504/IJMC.2018.10007904","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007904","url":null,"abstract":"Despite an emerging trend of location check-ins as a means of mobile communication amongst Facebook users, little attention has been devoted to the value of location check-ins as marketing potential. In particular, little is known about how mobile users process and assess location information shared by their friends on Facebook. Undergirded by persuasion knowledge and elaboration likelihood models, a self-instructed online survey with 255 undergraduate students found that friendship tie strength was positively correlated with students' attitudes towards and perceived credibility of the location information shared by their Facebook friends. However, this relationship was true of those who reported a high level of mobile phone competence rather than those with low mobile phone competence. Prior experience with location sharing on Facebook was also positively correlated with students' evaluations of the location information. Theoretical and practical implications were discussed.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128752596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors influencing the adoption of mobile commerce in Taiwan 影响台湾移动商务采用的因素
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007903
Yu-Hong Dennis Chou, T. Li, B. Ho
{"title":"Factors influencing the adoption of mobile commerce in Taiwan","authors":"Yu-Hong Dennis Chou, T. Li, B. Ho","doi":"10.1504/IJMC.2018.10007903","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007903","url":null,"abstract":"With the growing popularity of smartphones and tablets, the number of people who use wireless internet, including mobile internet, reached 11 million in 2013. The number of m-commerce services and applications used by customers in Taiwan is still small. This study aims to investigate the factors that predict users' behavioural intention to adopt m-commerce in Taiwan. It is based on the revised Unified Theory of Acceptance and Use of Technology model (UTAUT), and two of Hofstede's cultural dimensions (power distance and uncertainty avoidance) as moderators on the UTAUT model to enhance the understanding of influencing users' intention of using m-commerce. The study sample surveyed with online questionnaires consists of 435 valid respondents. The research result shows that effort expectation, performance expectation, social influence and trust significantly influence the behavioural intention to use m-commerce. For moderator effects, power distance has an interacting effect with social influence, and has a negative relationship with social influence on behavioural intention to use m-commerce.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128200982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Application of Kano model and IPA on improvement of service quality of mobile healthcare Kano模型与IPA在移动医疗服务质量提升中的应用
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007916
Jui-Chen Huang
{"title":"Application of Kano model and IPA on improvement of service quality of mobile healthcare","authors":"Jui-Chen Huang","doi":"10.1504/IJMC.2018.10007916","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007916","url":null,"abstract":"The purpose of this study was to integrate the Kano model with IPA to improve the service quality of mobile healthcare as well as to better determine the priority of the quality attributes to be improved. This study used the Kano model and the composite E-S-QUAL and E-recS-QUAL scales to classify the two-dimensional quality characteristics of Kano and calculate the customers' level of satisfaction when each service quality attribute was sufficient and the level of dissatisfaction when each service quality attribute was insufficient. Moreover, this study used the coefficient of the service quality attributes to develop a customer satisfaction coefficient matrix that could confirm the improved service quality and then used IPA to confirm the service quality attributes for priority improvement. The attributes that were both effectiveness-improved service qualities and service quality attributes for priority improvement were critical service quality attributes. The research results showed that the use of mobile healthcare is safe and that mobile healthcare systems can protect an individual's privacy, which are two key factors for improving the service quality of mobile healthcare. Therefore, under the premise of limited resources, the priority for quality improvement could be strengthened and products that meet the needs of users could be proposed to improve the utilisation rate of mobile healthcare and reflect its effectiveness.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114806235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
What does the Twitter mean for the traditional media users? Twitter对于传统媒体用户意味着什么?
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007911
Yoosun Hwang
{"title":"What does the Twitter mean for the traditional media users?","authors":"Yoosun Hwang","doi":"10.1504/IJMC.2018.10007911","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007911","url":null,"abstract":"Although the perspectives on Twitter highlight its functions as an information medium, this study explores the conversational aspect of Twitter to broaden the concept of social media. Since various media co-exist and media is used transversely, the present study examines the functional alternatives that take the relationship with traditional media into consideration as a theoretical background. Twitter users' predispositions regarding the level of adaptation to the technology of Social network sites and the socio-political inclinations were incorporated. Data were obtained via online survey and correlation and multiple regression analyses were conducted. The results reveal that the amount of traditional media use positively relates to Twitter activity and conversation. The users' perceived communication competence and socio-political characteristics predict the degree of Twitter conversation. Based on these findings, implications about being social on Twitter were discussed.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123209790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors influencing the forwarding behaviour of mobile phone users in the context of mobile advertising in Europe 欧洲移动广告背景下影响手机用户转发行为的因素
Int. J. Mob. Commun. Pub Date : 2018-02-10 DOI: 10.1504/IJMC.2018.10007912
Vesela Tyufekchieva, P. Reichhart
{"title":"Factors influencing the forwarding behaviour of mobile phone users in the context of mobile advertising in Europe","authors":"Vesela Tyufekchieva, P. Reichhart","doi":"10.1504/IJMC.2018.10007912","DOIUrl":"https://doi.org/10.1504/IJMC.2018.10007912","url":null,"abstract":"The importance of word of mouth (WOM) as a source of information for consumers to draw from when making a purchase decision has been acknowledged by scholars and practitioners alike. With the technological development on a global scale, a new type of WOM has emerged, namely the mobile word of mouth (mWOM). Mobile phones have become an essential means of communication for consumers, and the mWOM has a great potential to influence individuals at any stage of the decision-making process. The current research seeks to find an answer to the question of what factors influence an individual's decision to participate in mWOM using an empirical study. It was found that value perceptions have an impact on mobile users' desire to participate in WOM. Contrary to hypothesised, the desire to participate in WOM does not lead to a higher intention to speak positively about the mobile advertising campaign.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115059971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Investigating predictors of smartphone dependency symptoms and effects on academic performance, improper phone use and perceived sociability 调查智能手机依赖症状的预测因素及其对学业成绩、不当使用手机和感知社交能力的影响
Int. J. Mob. Commun. Pub Date : 2017-10-03 DOI: 10.1504/IJMC.2017.10005647
T. Lin, Yi-Hsuan Chiang
{"title":"Investigating predictors of smartphone dependency symptoms and effects on academic performance, improper phone use and perceived sociability","authors":"T. Lin, Yi-Hsuan Chiang","doi":"10.1504/IJMC.2017.10005647","DOIUrl":"https://doi.org/10.1504/IJMC.2017.10005647","url":null,"abstract":"This study investigates the relationships between predictors (i.e., personal traits and mobile activities) of smartphone dependency and its impacts on improper phone use, academic performance and perceived sociability. Using a stratified sampling method, a web survey obtained data from 438 undergraduate smartphone users in Singapore. PLS results show that improper phone use is a critical factor which mediates the effects of smartphone dependency symptoms on grade point average and perceived sociability. Youths who feel higher leisure boredom tend to have more smartphone dependency. Female users are more likely to have smartphone dependency symptoms than males. The results also show that using mobile phones for videos and mobile gaming are better predictors of smartphone dependency symptoms than using it for social media and traditional phone activities. Theoretical and practical implications are discussed.","PeriodicalId":433337,"journal":{"name":"Int. J. Mob. Commun.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117331672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 35
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